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. 2009 Jun 26;37(15):5167–5182. doi: 10.1093/nar/gkp519

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© 2009 The Author(s)

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 5. — Cleavage positions in 18S rRNA from individual positions on the surface of eIF1A. Close-up views of cleavage positions in 18S rRNA (colored spheres) from different positions on the surface of eIF1A (colored spheres with asterisks). Colors of cleavage sites correspond to colors of cysteines on the surface of eIF1A. (A) Cleavages from C4, C9 and C10 in the NTT (green), C29 in the OB-fold (blue) and C107 in the helical subdomain (red). (B) Cleavages from C69 (cyan) and C85 (magenta) in the OB fold. (C) Cleavages from C119 in the beginning of the CTT (orange). (D) Cleavages from C142 near the C-terminus (yellow). The radius of the spheres is proportional to the efficiency of cleavage: very weak, weak, medium and strong. Ribosomal protein S13/rpS18 in the head is not shown in panels C and D as it blocks the view of some of the cleavages in h31. The ribosome orientation in panels A, B, C and D is identical to that in Figure 4.